Message ID | 20230301135223.988336-50-dwmw2@infradead.org |
---|---|
State | New |
Headers | show
Return-Path: <qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org> X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=<UNKNOWN>) Authentication-Results: legolas.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; secure) header.d=infradead.org header.i=@infradead.org header.a=rsa-sha256 header.s=desiato.20200630 header.b=ob4+kEKm; dkim-atps=neutral Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4PRbc41Y4Sz1yWy for <incoming@patchwork.ozlabs.org>; Thu, 2 Mar 2023 01:05:40 +1100 (AEDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from <qemu-devel-bounces@nongnu.org>) id 1pXMwV-0007HP-KO; Wed, 01 Mar 2023 08:56:27 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <BATV+1cb70579e185fe7dd8a8+7129+infradead.org+dwmw2@desiato.srs.infradead.org>) id 1pXMt6-0000Db-Hj for qemu-devel@nongnu.org; Wed, 01 Mar 2023 08:52:57 -0500 Received: from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <BATV+1cb70579e185fe7dd8a8+7129+infradead.org+dwmw2@desiato.srs.infradead.org>) id 1pXMsv-0002pS-4d for qemu-devel@nongnu.org; Wed, 01 Mar 2023 08:52:55 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=Sender:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description; bh=edPrjZFrwEAkLcUw2PBjZF8aN4LWF92yuyBWnfs2oyg=; b=ob4+kEKmHp2dYHzZFGVv/D36LM nThn5fp07r1BjzG789NSz7Fph6S4gaxC4pKIYKiVcc6P/KZ6XrTyMbc/HnfL9EANU35U3+DltgkBo ynrjvsehPHNlPHDzVfOpNdh2VBPsVQF1ygJ9n3fNkaEAiB68zM8/VOOPLXgBEmtzYaWlFTc1Dc4EL PMYGJ6O7ZsVhNtWvqmEHmB3ZWoDIgLmjzOura1C4RSVQY3/GwqFYTFhQE4G1O0Do8Fx1W/LPKPo0Z 32mMSIrmK3MjRgeIzkReLCo9jqzAze1wR5CGyn4LV48PX/s/rCja/Qq3x3LIqv1X62LK4eu8v8QYQ ttdhfQAg==; Received: from i7.infradead.org ([2001:8b0:10b:1:21e:67ff:fecb:7a92]) by desiato.infradead.org with esmtpsa (Exim 4.96 #2 (Red Hat Linux)) id 1pXMse-00EuW6-0q; Wed, 01 Mar 2023 13:52:33 +0000 Received: from dwoodhou by i7.infradead.org with local (Exim 4.96 #2 (Red Hat Linux)) id 1pXMse-0049Wx-0U; Wed, 01 Mar 2023 13:52:28 +0000 From: David Woodhouse <dwmw2@infradead.org> To: Peter Maydell <peter.maydell@linaro.org>, qemu-devel@nongnu.org Cc: Paolo Bonzini <pbonzini@redhat.com>, Paul Durrant <paul@xen.org>, Joao Martins <joao.m.martins@oracle.com>, Ankur Arora <ankur.a.arora@oracle.com>, =?utf-8?q?Philippe_Mathieu-Daud?= =?utf-8?q?=C3=A9?= <philmd@linaro.org>, Thomas Huth <thuth@redhat.com>, =?utf-8?q?Alex_Benn=C3=A9e?= <alex.bennee@linaro.org>, Juan Quintela <quintela@redhat.com>, "Dr . David Alan Gilbert" <dgilbert@redhat.com>, Claudio Fontana <cfontana@suse.de>, Julien Grall <julien@xen.org>, "Michael S. Tsirkin" <mst@redhat.com>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, armbru@redhat.com, Stefano Stabellini <sstabellini@kernel.org>, vikram.garhwal@amd.com Subject: [PATCH v15 49/60] i386/xen: handle HVMOP_get_param Date: Wed, 1 Mar 2023 13:52:12 +0000 Message-Id: <20230301135223.988336-50-dwmw2@infradead.org> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230301135223.988336-1-dwmw2@infradead.org> References: <20230301135223.988336-1-dwmw2@infradead.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SRS-Rewrite: SMTP reverse-path rewritten from <dwmw2@infradead.org> by desiato.infradead.org. See http://www.infradead.org/rpr.html Received-SPF: none client-ip=2001:8b0:10b:1:d65d:64ff:fe57:4e05; envelope-from=BATV+1cb70579e185fe7dd8a8+7129+infradead.org+dwmw2@desiato.srs.infradead.org; helo=desiato.infradead.org X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: <qemu-devel.nongnu.org> List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe> List-Archive: <https://lists.nongnu.org/archive/html/qemu-devel> List-Post: <mailto:qemu-devel@nongnu.org> List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help> List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=subscribe> Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org |
Series |
Xen HVM support under KVM
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expand
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diff --git a/target/i386/kvm/xen-emu.c b/target/i386/kvm/xen-emu.c index 75bcf7b630..d2c88ef0d9 100644 --- a/target/i386/kvm/xen-emu.c +++ b/target/i386/kvm/xen-emu.c @@ -765,6 +765,42 @@ out: return true; } +static bool handle_get_param(struct kvm_xen_exit *exit, X86CPU *cpu, + uint64_t arg) +{ + CPUState *cs = CPU(cpu); + struct xen_hvm_param hp; + int err = 0; + + /* No need for 32/64 compat handling */ + qemu_build_assert(sizeof(hp) == 16); + + if (kvm_copy_from_gva(cs, arg, &hp, sizeof(hp))) { + err = -EFAULT; + goto out; + } + + if (hp.domid != DOMID_SELF && hp.domid != xen_domid) { + err = -ESRCH; + goto out; + } + + switch (hp.index) { + case HVM_PARAM_STORE_PFN: + hp.value = XEN_SPECIAL_PFN(XENSTORE); + break; + default: + return false; + } + + if (kvm_copy_to_gva(cs, arg, &hp, sizeof(hp))) { + err = -EFAULT; + } +out: + exit->u.hcall.result = err; + return true; +} + static int kvm_xen_hcall_evtchn_upcall_vector(struct kvm_xen_exit *exit, X86CPU *cpu, uint64_t arg) { @@ -809,6 +845,9 @@ static bool kvm_xen_hcall_hvm_op(struct kvm_xen_exit *exit, X86CPU *cpu, case HVMOP_set_param: return handle_set_param(exit, cpu, arg); + case HVMOP_get_param: + return handle_get_param(exit, cpu, arg); + default: return false; }